CN214241052U - Bicycle frame with antiskid - Google Patents

Abstract

The utility model belongs to the technical field of bicycle frame and specifically relates to a bicycle frame with antiskid relates to a support body, stay tube and lock ring spare, stay tube one end and support body fixed connection, the support body was kept away from to the stay tube one end has seted up first opening along stay tube length direction, the support body was kept away from to the stay tube one end overcoat is equipped with lock ring spare, bicycle frame with antiskid still includes anti-skidding pipe, anti-skidding pipe is the plastics material, anti-skidding pipe butt is in the stay tube, anti-skidding pipe is close to the tip of first opening and has seted up the second opening. In the use, can insert the bracing piece of bicycle saddle below in the antiskid pipe, then control cramp spare makes the stay tube drive antiskid pipe and inwards contracts, and the bracing piece can the butt in the antiskid pipe, and the antiskid pipe is the plastics material, can not rust, can reduce the possibility that frictional force reduces between antiskid pipe and the bracing piece, and the gliding possibility of bicycle saddle downwards can reduce, has reached the purpose that improves the stability of saddle.

Description

Bicycle frame with antiskid

Technical Field

The present application relates to the field of bicycle frames, and more particularly, to a bicycle frame with an anti-slip device.

Background

At present, people's environmental awareness is higher and higher, and a lot of people all can use the bicycle trip in life, and in order to make the suitability of bicycle higher, the mill often can produce the bicycle frame that can adjust the saddle height.

Referring to fig. 1, current bicycle frame includes support body 3, stay tube 4 and lock ring spare 5, 4 one ends of stay tube and 3 fixed connection of support body, and stay tube 4 keeps away from the one end of support body 3 and has seted up first opening along 4 length direction of stay tube, and the one end overcoat that support body 3 was kept away from to stay tube 4 is equipped with lock ring spare 5, and 4 inside walls of stay tube are provided with friction line. In the use, insert bracing piece 2 with bicycle seat 1 below in stay tube 4, then use hoop 5 to press from both sides tight stay tube 4, stay tube 4 can take place deformation, and first opening can diminish to make stay tube 4 can press from both sides tight bracing piece 2, consequently the operating personnel can be according to actual demand, adjust bicycle seat 1 to suitable height after, readjust hoop 5 relative stay tube 4 fixed bicycle seat 1.

In view of the above-mentioned related art, after the bicycle frame is used for a long time, the inside of the supporting tube 4 may get rusty, and at this time, the friction lines may fall off, so that the friction force between the supporting tube 4 and the supporting rod 2 becomes small, and the bicycle seat 1 may slide downward during use, thereby making the stability of the seat poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of the saddle, this application provides a bicycle frame with antiskid.

The application provides a bicycle frame with antiskid adopts following technical scheme:

the utility model provides a bicycle frame with antiskid, comprising a frame body, stay tube and lock ring spare, stay tube one end and support body fixed connection, the support body was kept away from to the stay tube one end has seted up first opening along stay tube length direction, the support body was kept away from to the stay tube one end overcoat is equipped with lock ring spare, bicycle frame with antiskid still includes the antiskid pipe, the antiskid pipe is the plastics material, the stay tube cup joints outside the antiskid pipe, the antiskid pipe butt is in the stay tube, the antiskid pipe is close to the tip of first opening and has seted up the second opening.

By adopting the technical scheme, in the using process, the supporting rod below the bicycle seat can be inserted into the anti-slip pipe, then the hoop member is controlled to enable the supporting pipe to drive the anti-slip pipe to contract inwards, the supporting rod can be abutted against the anti-slip pipe, and the bicycle seat can be fixed relative to the supporting pipe at the moment, so that an operator can adjust the bicycle seat to a proper height according to actual requirements and then adjust the hoop member to fix the bicycle seat relative to the supporting pipe; the anti-slip pipe is made of plastic materials, so that the anti-slip pipe cannot rust, the possibility of reducing the friction force between the anti-slip pipe and the supporting rod can be reduced, the possibility of downward sliding of the bicycle seat can be reduced, and the purpose of improving the stability of the bicycle seat is achieved.

Preferably, the outer side wall of the antiskid tube is fixedly connected with a clamping block, the inner side wall of the supporting tube is provided with a first clamping groove, and the clamping block is in butt fit with the supporting tube through the first clamping groove.

Through adopting above-mentioned technical scheme, in the use, the fixture block butt is in the draw-in groove, therefore the fixture block can restrict anti-skidding pipe and take place to rotate in the stay tube, and the position stability of the relative stay tube of anti-skidding pipe is higher this moment, has reached the purpose that promotes bicycle frame structure steadiness.

Preferably, one end of the first clamping groove, which is close to the first opening, penetrates through the supporting tube, and one end of the first clamping groove, which is far away from the first opening, is closed.

Through adopting above-mentioned technical scheme, in the use, the stay tube is vertical setting, therefore the lower extreme of fixture block can the butt on the closed end of draw-in groove, insert the bracing piece under the saddle in to the antiskid pipe after, the butt cooperation of fixture block and draw-in groove can reduce the relative stay tube gliding possibility of antiskid pipe to the purpose of increase bicycle frame structure steadiness has been reached.

Preferably, the outer side wall of the anti-slip tube is provided with an elastic sheet, the inner wall of the supporting tube is provided with a second clamping groove, one end of the elastic sheet is fixedly connected with the anti-slip tube, and one end, far away from the anti-slip tube, of the elastic sheet is abutted against the supporting tube through the second clamping groove.

Through adopting above-mentioned technical scheme, the in-process of installation anti-skidding pipe in the stay tube, can press down the shell fragment and make the shell fragment take place elastic deformation, anti-skidding pipe can be pressed close to the one end that anti-skidding pipe was kept away from to the shell fragment, then insert the stay tube with anti-skidding pipe, when the shell fragment descends to the position of aliging with the second draw-in groove, the shell fragment can the reconversion, the tip that anti-skidding pipe was kept away from to the shell fragment this moment passes through second draw-in groove butt in the stay tube, consequently, the shell fragment can reduce the relative stay tube possibility of reciprocating of anti-skidding pipe, the purpose of further increase bicycle frame structure steadiness has been reached.

Preferably, a third clamping groove is formed in the anti-slip pipe, and one end, far away from the supporting pipe, of the elastic piece is fixedly connected into the third clamping groove.

Through adopting above-mentioned technical scheme, at the in-process of inserting the antiskid pipe in to the stay tube, can press the shell fragment and make the shell fragment take place elastic deformation, the shell fragment can be arranged in the antiskid pipe through the third draw-in groove this moment, and the shell fragment does not bulge the antiskid outside of the pipe, and the cross-section girth of antiskid pipe can be as big as possible when inserting the antiskid pipe in to the stay tube, consequently can reduce the antiskid pipe deformation too big and the possibility of damage.

Preferably, the clamp piece includes snap ring, pivot and kicking block, has seted up the fracture on the snap ring, and the snap ring tip at fracture both ends sets up respectively to first end and second end, and first end rotates with the pivot to be connected, and pivot length direction sliding connection is followed with the kicking block to the second end, and the kicking block is located the second and holds one side of keeping away from first end, and the pivot is close to the tip and the kicking block threaded connection of second end.

Through adopting above-mentioned technical scheme, adjust the saddle to suitable high back, the control pivot rotates, and the pivot can drive the kicking block this moment and be close to the pivot direction to drive the second end and be close to first end, the internal perimeter that the storehouse was traded diminishes, therefore the snap ring can press from both sides tight bracing piece, and then makes the saddle fixed by bike frame relatively, and accommodation process only needs the staff to rotate the pivot, has reached the purpose of convenient operation.

Preferably, the end part of the rotating shaft far away from the second end is provided with a handheld block.

Through adopting above-mentioned technical scheme, at the in-process that the operator adjusted the cramp, the operator can grasp the hand-held piece and rotate, because the hand-held piece is bulky, consequently the pivoted moment of control pivot is great, has reached the more laborsaving purpose of in-process operator at the rotation pivot anyhow.

Preferably, the inner wall of the anti-slip pipe is provided with friction grains.

Through adopting above-mentioned technical scheme, in the use, the bracing piece is located the anti-skidding pipe, and the frictional force between bracing piece and the anti-skidding pipe can be increased to the friction line to can reduce the possibility that the relative stay tube of user's saddle removed downwards when riding bicycle, reach the purpose that improves bicycle frame's user's security.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the frame body, the supporting tube, the hoop and the anti-slip tube, the anti-slip tube is made of plastic materials, so that the anti-slip tube is not rusted, the possibility of reducing the friction force between the anti-slip tube and the supporting rod can be reduced, and the purpose of improving the stability of the saddle is achieved;

2. by arranging the clamping block and the first clamping groove, the clamping block can limit the anti-slip pipe to rotate in the supporting pipe, so that the purpose of improving the structural stability of the bicycle frame is achieved;

3. through setting up shell fragment and second draw-in groove, the tip that antiskid pipe was kept away from to the shell fragment passes through second draw-in groove butt in the stay tube, has reached the purpose of further increase bicycle frame structure steadiness.

Drawings

FIG. 1 is a perspective view of a bicycle frame of the prior art;

FIG. 2 is an exploded view of the bicycle frame with the anti-skid device of the present application;

FIG. 3 is an exploded view highlighting the anti-skid tube;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is an enlarged view of a portion B of fig. 2.

Description of reference numerals: 1. a bicycle seat; 2. a support bar; 3. a frame body; 4. supporting a tube; 41. a first card slot; 42. a second card slot; 5. a tightening member; 51. a snap ring; 511. a first end; 512. a second end; 52. a rotating shaft; 53. a top block; 54. a hand-held block; 6. an anti-slip tube; 61. a clamping block; 62. a spring plate; 63. and a third card slot.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses bicycle frame. Referring to fig. 2, bicycle frame is used for providing the support for bicycle saddle 1, the vertical bracing piece 2 that is provided with in 1 below of bicycle saddle, 2 upper ends of bracing piece and 1 fixed connection of bicycle saddle, bicycle frame includes support body 3, stay tube 4 and lock hoop 5, the vertical setting of stay tube 4, 4 lower extreme fixed connection of stay tube are on support body 3, first opening has been seted up along 4 length direction of stay tube in the 4 upper ends of stay tube, 2 lower extremes of stay tube insert stay tube 4 in the 4 upper ends of stay tube, 4 upper end overcoat of stay tube are equipped with lock hoop 5, lock hoop 5 is used for controlling 4 tight bracing pieces 2 of clamp of stay tube 4. In the use, can insert the bracing piece 2 below bicycle seat 1 in stay tube 4, then control tight hoop 5 makes stay tube 4 shrink inwards, and bracing piece 2 can butt in stay tube 4, can fix the saddle relatively stay tube 4 this moment, therefore the operating personnel can be according to actual demand, adjust bicycle seat 1 to suitable height after, readjust tight hoop 5 and fix bicycle seat 1 relatively stay tube 4.

Referring to fig. 2, the bicycle frame further comprises an anti-slip device, the anti-slip device comprises an anti-slip pipe 6 made of plastic, the supporting pipe 4 is sleeved outside the anti-slip pipe 6, the anti-slip pipe 6 is abutted to the supporting pipe 4, the anti-slip pipe 6 is in interference fit with the supporting pipe 4, a second opening is formed in the upper end of the anti-slip pipe 6 along the length direction of the anti-slip pipe 6, and the anti-slip pipe 6 is made of plastic. In the use, can insert the bracing piece 2 of bicycle saddle 1 below in anti-skidding pipe 6, then control cramp spare 5 makes stay tube 4 drive anti-skidding pipe 6 and inwards contract, bracing piece 2 can the butt in anti-skidding pipe 6, can fix the saddle by stay tube 4 relatively this moment, the operator can adjust the fixed bicycle saddle 1 of the relative stay tube 4 of cramp spare 5, the anti-skidding pipe 6 of plastics material can not rust, can reduce the possibility that frictional force reduces between anti-skidding pipe 6 and the bracing piece 2, consequently, can reduce the gliding possibility of bicycle saddle 1 downwards, the purpose that has improved the stability of saddle has been reached.

Referring to fig. 3 and 4, 6 lateral walls of antiskid pipe fixedly connected with fixture block 61, fixture block 61 length direction is parallel with 6 length direction of antiskid pipe, and first draw-in groove 41 has been seted up to 4 inside walls of stay tube, and the upper end of stay tube 4 is run through to first draw-in groove 41, and fixture block 61 passes through first draw-in groove 41 and 4 butt cooperations of stay tube, and fixture block 61 upper end flushes with 4 upper ends of stay tube. In the use, fixture block 61 butt is in the draw-in groove, therefore fixture block 61 can restrict anti-skidding pipe 6 and take place to rotate in stay tube 4, and the relative position stability of stay tube 4 of anti-skidding pipe 6 is higher this moment, has reached the purpose that promotes bicycle frame structure steadiness.

Referring to fig. 4, the lower end of the first clamping groove 41 can be arranged to be closed, and in the using process, the supporting tube 4 is vertically arranged, so that the lower end of the clamping block 61 can abut against the closed end of the clamping groove, and after the supporting rod 2 below the saddle is inserted into the anti-slip tube 6, the possibility that the anti-slip tube 6 slides downwards relative to the supporting tube 4 can be reduced due to the abutting cooperation of the clamping block 61 and the clamping groove, and the purpose of increasing the structural stability of the bicycle frame is achieved.

Referring to fig. 4, the outer side wall of the anti-slip pipe 6 is provided with the elastic sheet 62, the section of the elastic sheet 62 perpendicular to the elastic sheet 62 is in a V shape, the inner wall of the support pipe 4 is provided with the second clamping groove 42, both ends of the second clamping groove 42 in the length direction of the support pipe 4 are sealed, one end of the elastic sheet 62 is fixedly connected with the anti-slip pipe 6, one end of the elastic sheet 62 far away from the anti-slip pipe 6 is abutted to the support pipe 4 through the second clamping groove 42, the elastic sheet 62 and the second clamping groove 42 are both provided with two, and one elastic sheet 62 is matched with one second clamping groove 42 for use. In the process of installing anti-slip pipe 6 in supporting tube 4, can press down shell fragment 62 and make shell fragment 62 take place elastic deformation, anti-slip pipe 6 can be pressed close to the one end that anti-slip pipe 6 was kept away from to shell fragment 62, then insert in supporting tube 4 anti-slip pipe 6, when shell fragment 62 descends to the position of lining up with second draw-in groove 42, shell fragment 62 can the reconversion, the tip that anti-slip pipe 6 was kept away from to shell fragment 62 this moment passes through second draw-in groove 42 butt in supporting tube 4, consequently, shell fragment 62 can reduce the possibility that anti-slip pipe 6 reciprocated relatively supporting tube 4, the purpose of further increase bicycle frame structure steadiness has been reached.

Referring to fig. 4, a third clamping groove 63 is formed in the outer side wall of the anti-slip pipe 6, two ends of the third clamping groove 63 in the length direction of the anti-slip pipe 6 are sealed, one end, far away from the support pipe 4, of the elastic sheet 62 is fixedly connected to the third clamping groove 63, the number of the third clamping grooves 63 is two, and one elastic sheet 62 is matched with one third clamping groove 63 for use. In the process of inserting the anti-slip pipe 6 into the support pipe 4, the elastic sheet 62 can be pressed to enable the elastic sheet 62 to generate elastic deformation, at the moment, the elastic sheet 62 can be located in the anti-slip pipe 6 through the third clamping groove 63, the elastic sheet 62 does not protrude out of the anti-slip pipe 6, the section perimeter of the anti-slip pipe 6 can be as large as possible when the anti-slip pipe 6 is inserted into the support pipe 4, and therefore the possibility that the anti-slip pipe 6 is damaged due to too large deformation can be reduced.

Referring to fig. 2, the inner wall of the anti-slip pipe 6 is provided with friction lines, in the using process, the support rod 2 is positioned in the anti-slip pipe 6, and the friction lines can increase the friction force between the support rod 2 and the anti-slip pipe 6, so that the possibility that a saddle of a user moves downwards relative to the support pipe 4 when the user rides a bicycle can be reduced, and the purpose of improving the safety of the user of the bicycle frame is achieved.

Referring to fig. 4 and 5, the clamping member 5 includes a clamping ring 51, a rotating shaft 52 and a top block 53, the clamping ring 51 is provided with a fracture, ends of the clamping ring 51 at two ends of the fracture are respectively provided as a first end 511 and a second end 512, the first end 511 is rotatably connected with the rotating shaft 52, the second end 512 is slidably connected with the top block 53 along a length direction of the rotating shaft 52, the top block 53 is located on one side of the second end 512 far away from the first end 511, and an end of the rotating shaft 52 close to the second end 512 penetrates through the second end 512 and is in threaded connection with the top block 53. After adjusting the saddle to suitable height, control pivot 52 rotates, and pivot 52 can drive kicking block 53 this moment and be close to the pivot 52 direction to drive second end 512 and be close to first end 511, the internal perimeter that the storehouse traded diminishes, therefore snap ring 51 can press from both sides tight bracing piece 2, and then makes the saddle fixed relatively bicycle frame, and accommodation process only needs the staff to rotate pivot 52, has reached the purpose of convenient operation.

Referring to fig. 5, the end of the rotating shaft 52 far away from the second end 512 is provided with a holding block 54, the holding block 54 has a long length, one end of the holding block 54 is hinged with the end of the rotating shaft 52 far away from the second end 512, and the hinge axis is perpendicular to the rotating shaft 52. In the process of adjusting the tightening piece 5, an operator can hold the hand piece to rotate, and the hand piece has a large volume, so that the moment for controlling the rotation of the rotating shaft 52 is large, and the aim of saving more labor for the operator in the process of rotating the rotating shaft 52 is fulfilled.

The implementation principle of the bicycle frame with the antiskid device in the embodiment of the application is as follows: in the use, at first insert the bracing piece 2 of bicycle saddle 1 below in anti-skidding pipe 6, then used handheld piece 54 control lock hoop 5 to make the stay tube 4 drive anti-skidding pipe 6 and inwards contract, bracing piece 2 can the butt in anti-skidding pipe 6, can fix the saddle relatively stay tube 4 this moment, therefore the operating personnel can be according to actual demand, adjust bicycle saddle 1 to suitable high back, readjust lock hoop 5 and fix bicycle saddle 1 relatively stay tube 4, even through long-time use, the anti-skidding pipe 6 of plastics material can not rust, can reduce the possibility that frictional force reduces between anti-skidding pipe 6 and the bracing piece 2, consequently, can reduce the possibility that bicycle saddle 1 slided downwards, reached the purpose that improves the stability of saddle.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a bicycle frame with antiskid, includes support body (3), stay tube (4) and lock ring spare (5), stay tube (4) one end and support body (3) fixed connection, and stay tube (4) are kept away from the one end of support body (3) and have been seted up first opening along stay tube (4) length direction, and the one end overcoat that support body (3) were kept away from in stay tube (4) is equipped with lock ring spare (5), its characterized in that: the bicycle frame with the anti-skid device further comprises an anti-skid pipe (6), the anti-skid pipe (6) is made of plastic materials, the supporting pipe (4) is sleeved outside the anti-skid pipe (6), the anti-skid pipe (6) is abutted to the supporting pipe (4), and the end part, close to the first opening, of the anti-skid pipe (6) is provided with a second opening.

2. The bicycle frame with anti-skid device of claim 1, wherein: the anti-slip pipe (6) lateral wall fixedly connected with fixture block (61), first draw-in groove (41) have been seted up to stay tube (4) inside wall, and fixture block (61) are through first draw-in groove (41) and stay tube (4) butt cooperation.

3. The bicycle frame with anti-skid device of claim 2, wherein: one end, close to the first opening, of the first clamping groove (41) penetrates through the supporting tube (4), and one end, far away from the first opening, of the first clamping groove (41) is closed.

4. The bicycle frame with anti-skid device of claim 1, wherein: the outer side wall of the anti-slip pipe (6) is provided with an elastic sheet (62), the inner wall of the supporting pipe (4) is provided with a second clamping groove (42), one end of the elastic sheet (62) is fixedly connected with the anti-slip pipe (6), and one end, far away from the anti-slip pipe (6), of the elastic sheet (62) is abutted to the supporting pipe (4) through the second clamping groove (42).

5. The bicycle frame with anti-skid device of claim 1, wherein: a third clamping groove (63) is formed in the anti-slip pipe (6), and one end, far away from the supporting pipe (4), of the elastic sheet (62) is fixedly connected into the third clamping groove (63).

6. The bicycle frame with anti-skid device of claim 1, wherein: the clamp piece (5) comprises a clamping ring (51), a rotating shaft (52) and a top block (53), a fracture is formed in the clamping ring (51), the end parts of the clamping ring (51) at the two ends of the fracture are respectively arranged to be a first end (511) and a second end (512), the first end (511) is rotatably connected with the rotating shaft (52), the second end (512) is connected with the top block (53) in a sliding mode along the length direction of the rotating shaft (52), the top block (53) is located at one side, away from the first end (511), of the second end (512), and the end part, close to the second end (512), of the rotating shaft (52) is in threaded connection with the top block (53).

7. The bicycle frame with anti-skid device of claim 6, wherein: and a handheld block (54) is arranged at the end part of the rotating shaft (52) far away from the second end (512).

8. The bicycle frame with anti-skid device of claim 1, wherein: and friction grains are arranged on the inner wall of the anti-slip pipe (6).

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